He was previously linked with Playboy model Lindsey Pelas in August.
And while romance may be blossoming between the two, lothario Calum Best is now flaunting his gym honed physique on Instagram as he stripped down to his birthday suit on Thursday.
The 35-year-old displayed his tattooed covered torso in all it's glory as he simply covered his modesty with a steel grey towel while standing naked.
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Absolutely starkers: Lothario Calum Best is now flaunting his gym honed physique as he striped to his birthday suit on his Instagram on Thursday
Sharing a saucy behind-the-scenes snap from his video shoot for BSTLFE gyms, Calum exhibited his rippling abs and bulging biceps to the fullest in the fitness studio's locker room.
Calum's x-rated pic comes after he sent the rumour mill into overdrive once again about a possible romance between him and 25-year-old model Lindsey Pelas.
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Sharing a saucy selfie of the two of them in the sun, Calum candidly wrote to her about their upcoming rendezvous next month on Twitter.
He wrote on Friday: 'See u in Nov scammer @LindseyPelas' (sic).
Romance? Calum's x-rated pic comes after he sent the rumour mill into overdrive once again about a possible romance between him and 25-year-old model Lindsey Pelas on Twitter
Tongue-in-cheek! The American beauty shared a cheeky tweet back to Calum
The American stunner soon retweeted his post before cheekily replying, '@CalumBest shredding your passport like' alongside a number of knife and love heart emoji's.
It was previously reported in August that the son of the late footballer George Best was 'smitten' with the buxom Playboy star.
A source told The Sun: 'Calum and Lindsey are completely smitten with one another.
'They’ve been dividing their time between London and Los Angeles and have now gone public with their relationship after initially keeping it secret.'
MailOnline has contacted a spokesperson for Calum for further information.
Starting fresh: Previously, The Sun reported the son of the late footballer George Best was 'smitten' with the Playboy model in August
The reality star has previously been linked to Lindsay Lohan, Sarah Harding and Bianca Gascoigne, to name a few.
However, Calum most recently dated Brandi Glanville, 43, after appearing with her on Famously Single, with the star telling her he wanted to date her exclusively.
However, the TV personality wavered when he met an attractive brunette 10 years his junior during a group exercise and openly acted excited about a potential date with the new woman, while poor Brandi was sitting right opposite him.
Meanwhile, fitness star Pelas, has natural 30H breasts and was born in Louisiana.
Sizzle: Fitness star Pelas, has natural 30H breasts and was born in Louisiana
She recently told Cosmopolitan.com: 'You might think having big boobs is amazing, but there are actually a few disadvantages.
'Every time a girl who's super-busy bends over, she has to hold the girls, or they're going to fall out.
'Also, you always look vulgar in regular clothing. It can be a T-shirt, a floral dress, a wedding dress, a nightgown, whatever. When you're busty, you just kind of look like a porn star [by] accident.'
Honest: Lindsey previously insisted having big boobs has its disadvantages
